ci: add workflow_dispatch trigger for manual PyPI publish

The release.yml only triggered publish via release-please output,
making manual v1.0.0 publish impossible. Add workflow_dispatch with
a separate publish-manual job.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: danielgines

.github/workflows/release.yml

@@ -3,6 +3,12 @@ name: Release
 on:
   push:
     branches: [master]
+  workflow_dispatch:
+    inputs:
+      publish:
+        description: "Publish to PyPI (skip release-please)"
+        type: boolean
+        default: true
 
 permissions:
   contents: write
@@ -11,6 +17,7 @@ permissions:
 
 jobs:
   release-please:
+    if: ${{ github.event_name == 'push' }}
     runs-on: ubuntu-latest
     outputs:
       release_created: ${{ steps.release.outputs.release_created }}
@@ -49,3 +56,29 @@ jobs:
 
       - name: Publish to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
+
+  publish-manual:
+    if: ${{ github.event_name == 'workflow_dispatch' && inputs.publish }}
+    runs-on: ubuntu-latest
+    environment: pypi
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - uses: astral-sh/setup-uv@v4
+        with:
+          version: "latest"
+
+      - name: Set up Python
+        run: uv python install 3.12
+
+      - name: Build package
+        run: uv build
+
+      - name: Verify wheel contents
+        run: python -m zipfile -l dist/*.whl | grep -q "schemas/portable-ai-memory.schema.json"
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1